Is LESSON a valid Scrabble word?

Yes. LESSON is valid in Collins Scrabble Words 2024, the word list used for Scrabble in the UK.

What LESSON means

• verb - To instruct to teach.
• noun - A section of learning or teaching into which a wider learning content is divided.

Definitions come from Wiktionary via kaikki.org, shortened to fit, and are used under CC BY-SA 4.0.

Gramlet is a daily word game played with the same Collins list. Play today's board.